ORGANIC CHEMISTRY Chapter 3 3.8A Potential Energy and covalent Bonds H+HH—H△H°=-435 kJ mol-1 H。+●H o Enthalpy relative potential energy of molecules 435 kJ mol-1 o Enthalpy change,△H° H—H Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 3 3.8A Potential Energy and Covalent Bonds H H + H H ∆H° = -435 kJ mol-1 H H + H H 435 kJ mol-1 Enthalpy — relative potential energy of molecules Enthalpy change, ∆H°